Area code 773

Web Reference: Where is area code 773? Area code 773 serves most of Chicago, IL. It overlaps coverage areas with area code 872. Area code 773 is a telephone area code in the North American Numbering Plan (NANP) in the U.S. state of Illinois. It serves the outer areas of Chicago, outside the Loop and the innermost neighborhoods. Browse area code 773 phone numbers, prefixes and exchanges. The 773 area code serves Chicago, Elgin, Arlington Heights, Willowbrook, Buffalo Grove, covering 47 ZIP codes in 4 counties.

YouTube Excerpt: Area code 773 went into effect in the city of Chicago, Illinois, on October 12, 1996, with a brief grace period that ended on January 11, 1997. The area code covers the city, excluding the downtown core. Originally, the entire city and suburbs were in area code 312. Then, in 1989, area code 708 was created for the suburbs, leaving a rump 312. On August 10, 2007, the Illinois Commerce Commission announced that area code 872 will overlay area codes 312 and 773, and entered into service on November 7, 2009. This video is targeted to blind users. Attribution: Article text available under CC-BY-SA Creative Commons image source in video

Area code 773 went into effect in the city of Chicago, Illinois, on October 12, 1996, with a brief grace period that ended on January 11, 1997. The...

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